11.   H pylori may cause transient hypochlorrhydria in acutely infected subjects but normal levels of gastric acidity have been observed in asymptomatic, presumably chronically infected subjects.

12.   Numerous empirical studies have suggested that both m and LP are invariant with respect to alterations in normal levels of output and employment.

13.   Power stations in the region were ordered to reduce their output to about half normal levels, with electricity imported from elsewhere in eastern Europe to meet demand.

14.   The argument is that at abnormally low interest rates virtually everyone would expect the interest rate to rise towards its normal level in the near future.

15.   Despite the number who use the Lord Todd, manager Pierre Bretenoux has a normal staffing level of just seven, including.

16.   Amid indications that the Queens crash was an accident, not terrorism, travel agents said that cancellations were at normal levels in such circumstances.

17.   And each panel seemed most interested in returning the aviation system to normal levels of patronage.

18.   And it lets a person with hearing problems listen at high volume up while other people in the room listen at normal levels.

19.   And now, scientists have genetically engineered a tomato with twice the normal level of lycopene.

20.   And it lets a person with hearing problems listen at high volume while other people in the room listen at normal levels.